(April 20, 2020, 11:34 AM EDT) -- NEW YORK — A shareholder sued a cannabis company in New York federal court on April 15, alleging that the company, certain of its executive officers and a private equity firm violated federal securities laws by attempting to use the novel coronavirus pandemic as its reason for failing to make interest payments under the terms of a 2018 second debenture purchase agreement (William Riback v. iAnthus Capital Holdings Inc., et al., No. 20-3044, S.D. N.Y.)....